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Message-ID: <20250714184743.4acd7ead@kernel.org> Date: Mon, 14 Jul 2025 18:47:43 -0700 From: Jakub Kicinski <kuba@...nel.org> To: Harry Yoo <harry.yoo@...cle.com> Cc: Vlastimil Babka <vbabka@...e.cz>, Byungchul Park <byungchul@...com>, willy@...radead.org, netdev@...r.kernel.org, linux-kernel@...r.kernel.org, linux-mm@...ck.org, kernel_team@...ynix.com, almasrymina@...gle.com, ilias.apalodimas@...aro.org, hawk@...nel.org, akpm@...ux-foundation.org, davem@...emloft.net, john.fastabend@...il.com, andrew+netdev@...n.ch, asml.silence@...il.com, toke@...hat.com, tariqt@...dia.com, edumazet@...gle.com, pabeni@...hat.com, saeedm@...dia.com, leon@...nel.org, ast@...nel.org, daniel@...earbox.net, david@...hat.com, lorenzo.stoakes@...cle.com, Liam.Howlett@...cle.com, rppt@...nel.org, surenb@...gle.com, mhocko@...e.com, horms@...nel.org, linux-rdma@...r.kernel.org, bpf@...r.kernel.org, vishal.moola@...il.com, hannes@...xchg.org, ziy@...dia.com, jackmanb@...gle.com Subject: Re: [PATCH net-next v7 1/7] netmem: introduce struct netmem_desc mirroring struct page On Mon, 14 Jul 2025 22:58:31 +0900 Harry Yoo wrote: > > > Could you please share your thoughts on why it's hard to judge them and > > > what's missing from the series, such as in the comments, changelog, or > > > the cover letter? My main concern (as shared on earlier revisions) is the type hierarchy exposed to the drivers. Converting things back and forth or blindly downcasting to netmem and upcasting back to the CPU-readable type is no good.
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